Posted inDocker
End ‘YAML Hell’ with Dagger: Building CI/CD Pipelines using Python/Go
End 'YAML Hell' with Dagger. A guide to building CI/CD pipelines using Python/Go for consistent build/test workflows from local machines to the Cloud.
Posted inMySQL
Deploying MySQL NDB Cluster: A “Zero Downtime” Database Solution for 99.999% Uptime Systems
Learn how to deploy MySQL NDB Cluster to achieve 99.999% uptime. This article provides a detailed guide from Docker setups and the 3-node architecture to RAM and network infrastructure tips for DevOps/DBA engineers.
Posted inDevelopment
Cypress E2E Testing: From Zero to a Real-World CI/CD Pipeline
A detailed guide on using Cypress for professional End-to-End (E2E) testing. From quick setup to API mocking and CI/CD integration to optimize software quality.
Posted inPython
Manage Secrets Like a DevOps Pro: Mastering hvac Python and HashiCorp Vault
The era of hardcoding API keys is over! Learn how to use the hvac library in Python to manage secrets professionally with HashiCorp Vault, from basics to advanced techniques.
Posted inMonitoring
Monitoring Memcached with Prometheus & Grafana: Decoding the ‘Blind Spots’ Overloading Your Database
Is your system slow because of Memcached or the Database? Learn how to use Prometheus Memcached Exporter and Grafana to track Hit Rate, Evictions, and Memory Usage effectively.
Posted inVirtualization
Goodbye Docker Desktop: A Guide to Installing OrbStack on macOS to Speed Up Your Workflow
OrbStack is currently the best Docker Desktop alternative for macOS. Learn how to install and use this ultra-lightweight tool that starts in just 2 seconds.
Posted inDatabase
Odyssey: The Ultimate Solution to Save PostgreSQL from Bottlenecks at Scale
Switch from PgBouncer to Odyssey to leverage multi-threaded power for PostgreSQL. A detailed guide on optimizing configurations to handle tens of thousands of concurrent connections in enterprise environments.
Posted inFedora
Managing Fedora CoreOS Auto-updates: Prevent Simultaneous Cluster Reboots
Don't let Fedora CoreOS's auto-update feature crash your cluster. Learn how to configure Zincati and FleetLock for safe reboot coordination.
Posted inDocker
Kamal: Deploy Docker Apps to VPS Without Kubernetes — A Practical Guide
Kamal is a tool for deploying Docker applications to VPS over SSH with zero-downtime, automatic SSL, and one-command rollbacks — no Kubernetes or complex setup required. This guide covers practical deploy.yml configuration, tips for avoiding common pitfalls, and the essential monitoring commands you need after deployment.
Posted inDocker
Configuring Traefik v3 with Cloudflare DNS Challenge: Automatic Wildcard SSL for Docker
A step-by-step guide to configuring Traefik v3 + Cloudflare DNS Challenge for automatic Wildcard SSL provisioning and renewal on all Docker containers — no Nginx configuration, no port 80 hassle.